Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290148 | Encryption and decryption communication semiconductor device and recording/reproducing apparatus | Hiroshi Nogami, Tetsuya Shibayama, Tomohiro Kataoka, Hiroshi Fujio | 2007-10-30 |
| 7107458 | Authentication communicating semiconductor device | Toshihisa Oishi, Tetsuya Shibayama, Masato Hamada | 2006-09-12 |